Volume 37 Issue 2
Feb.  2012
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WANG Wei, NING Jinsheng, LUO Zhicai, WANG Haihong. Gravity Anomaly Separation of the Subduction Zone Based on Wavelet Transform[J]. Geomatics and Information Science of Wuhan University, 2012, 37(2): 187-190.
Citation: WANG Wei, NING Jinsheng, LUO Zhicai, WANG Haihong. Gravity Anomaly Separation of the Subduction Zone Based on Wavelet Transform[J]. Geomatics and Information Science of Wuhan University, 2012, 37(2): 187-190.
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Gravity Anomaly Separation of the Subduction Zone Based on Wavelet Transform

  • 1 Chinese Academy of Surveying and Mapping,28 West Lianhuachi,Haidian District,Beijing 100039,China;2 School of Geodesy and Geomatics,Wuhan University,129 Luoyu Road,Wuhan 430079,China;3Laboratory of Geospace Environment and Geodesy,Ministry of Education,Wuhan University, 129 Luoyu Road,Wuhan 430079,China

Funds: 国家自然科学基金资助项目(40704003);;极地测绘科学国家测绘局重点实验室开放研究基金资助项目(200802)
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  • Received Date: December 14, 2011
  • Published Date: February 04, 2012
    Graphical Abstract
    • Abstract
  • The separation of the gravity anomaly using wavelet multiple decomposition and wavelet multiscale edges reconstruction are studied.The vertical and horizontal influence can be separated simultaneously by this method,which provides a reasonable reference for the separation of complex regional gravity anomaly.The gravity anomalies of the Ryukyu subduction zone are separated base on simulation experiment.In the vertical gravity anomalies separation,the separation scales can be determined,based on the correlation between gravity anomaly and topography.Wavelet multiscale edge analysis by selecting appropriate scales range can achieve the effect of gravity horizontal separation,which is simpler than multiscale edges reconstruction.The data used to inverse structure of the subduction zone can be got through the separation.
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